In: Mechanical Engineering
1. What are the differences between bulk deformation processes and sheet metal processes? 2. Extrusion is a fundamental shaping process. Describe it. 3. Why is the term press working often used for sheet metal processes? 4. What is the difference between deep drawing and bar drawing? 5. Indicate the mathematical equation for the flow curve. 6. How does increasing temperature affect the parameters in the flow curve equation? 7. Indicate some of the advantages of cold working relative to warm and hot working. 8. What is isothermal forming? 9. Describe the effect of strain rate in metal forming. 10. Why is friction generally undesirable in metal forming operations? 11. What is sticking friction in metalworking?